8385532216280 has 64 divisors (see below), whose sum is σ = 19519144905600. Its totient is φ = 3238368555520.

The previous prime is 8385532216261. The next prime is 8385532216319. The reversal of 8385532216280 is 826122355838.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21464774 + ... + 21851946.

It is an arithmetic number, because the mean of its divisors is an integer number (304986639150).

Almost surely, 2^{8385532216280} is an apocalyptic number.

It is an amenable number.

8385532216280 is an abundant number, since it is smaller than the sum of its proper divisors (11133612689320).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8385532216280 is a wasteful number, since it uses less digits than its factorization.

8385532216280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405884 (or 405880 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 8385532216280 in words is "eight trillion, three hundred eighty-five billion, five hundred thirty-two million, two hundred sixteen thousand, two hundred eighty".